Method and device for predicting noise outside railway vehicle and medium

The invention discloses a railway vehicle exterior noise prediction method. The method comprises the following steps: acquiring a body noise data-exterior noise prediction model based on machine learning; a motor, a rectifier, a transformer, an inverter, a bogie, a gearbox and a fan serve as a body, and noise data of the body are obtained; and processing the ontology noise data according to the ontology noise data-out-of-vehicle noise prediction model to obtain an out-of-vehicle noise prediction result. The invention further discloses equipment and a medium for implementing the method for predicting the noise outside the railway vehicle. Compared with the prior art, the method and the equipment for predicting the noise outside the railway vehicle and the medium have the advantages that main parts on the railway vehicle are used as bodies, the noise outside the vehicle is predicted through the body noise, and machine learning is combined to realize online prediction of the noise outside the railway vehicle aft